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' dddesecose.wpg " y#2p}wCF#UNITED NATIONS #ps7#  r5Q yAxpddUN-LOGO3.WPGjy uu % % }}%+#d6X@`7 @#--17=55CDistr.  l  uu#ps7# Economic and Social#d6X@`7 @#7=55CGENERAL  lE  uu#ps7# Council}}%#d6X@`7 @#+--17=55CX` hp x (#%'0*,.8135@8:?dd  t!M_R~=~ SQRT {(M_X)^2``+``(M_Y)^2}XM|.R)XF^v2P2X(XM.XgX)2SXX(?XM.YX)t2\$++##++##!a+#$K2 2 The tibia index is calculated for the top and the bottom of each tibia; however, Fz may be measured at either location. The value obtained is used for the top and bottom TI calculations. Moments Mx and My are both measured separately at both locations.#2  r5 " 6.K2 2 PROCEDURE FOR CALCULATING THE VISCOUS CRITERIA (V * C) FOR HYBRIDIII DUMMY #2  r5x$ 6.1.2 2 The viscous criterion is calculated as the instantaneous product of the compression and the rate of deflection of the sternum. Both are derived from the measurement of sternum deflection.#2 @& {,))!+#A +1 #"a @  r5 6.2.2 2 The sternum deflection response is filtered once at CFC 180. The compression at time t is calculated from this filtered signal as:#2 "bQ%ddddddddd > b4C SUB { (t) } ~ = ~ { D SUB { (t) } } OVER {0.229 } Cl(ltGl) De(t-).03...229ߍ$++##++##C!#$K2 2 The sternum deflection velocity at time t is calculated from the filtered deflection as:#2 "bQ ddddddddd  b*V SUB { (t) } ~ = ~ { 8 ( D SUB { (t+1) } ~ ~ D SUB { (t1) } ) ~ ~ ( D SUB { (t+2) } ~ ~ D SUB { (t2) } ) } OVER { 12 ,t } Vl(ltGl)G 83 ( D(_t'1)8  DI(tu1)= )  ( D_ ( t'  2 ) I D(tu2=) )" .12 .,N .t*ߧ$++##c++##C!#$K2 2 where D(t) is the deflection at time t in metres and ,t is the time interval in seconds between the measurements of deflection. The maximum value of ,t shall be 1,25 x 10é4 seconds. This calculation procedure is shown diagrammatically below:#2 4    Measured Deflection   D(t)        Filter at CFC 180            Calculate deflection   Calculate compression   velocity: V(t)   C(t)            Calculate viscous   criterion at time t   (V * C)(t) = 1.3(V(t) . C(t))          Determine the   maximum value of V * C   (V * C)max = max [(V * C)(t)]      .______________" @" {,))!%#  # @ 4Annex 5,  Paragraph 1.4., should be deleted. Paragraph 2.1., amend the words "horizontal within 1/2 degree" to read "horizontal within 2.5$" (twice). Paragraph 2.3.1., amend to read: K2 2 "... a force of not less than 9N and not more than 22N, the tape shall ...."#2 Paragraph 2.4.2., amend the words "bucket seat(s)" to read "individual seat(s)" (twice). Paragraph 2.4.3.1., amend to read: K2 2 "... shall coincide within 13 mm in the vertical dimension and 13mm in the horizontal dimension, with a point 6 mm below the position of the 'H' point determined using the procedure described in annex 6 except that the length of the lower leg and thigh segments of the "H" point machine shall be adjusted to 414 and 401mm, instead of 432 and 417 mm respectively."#2 Paragraph 2.5., amend to read: K2 2 "... the outboard knee clevis flange surface shall be#2 K2 2 270 mm  10 mm ...."#2 Paragraph 2.8., amend to read:  r58 "2.8.2 2 The temperature of the dummies and the system of ...."#2 Insert new paragraphs 2.9. to 2.9.2., to read:  r5X "2.9.2 2 Dummy clothing#2  r5 2.9.1.2 2 The instrumented dummies will be clothed in formfitting cotton stretch garments with short sleeves and midcalf length trousers specified in FMVSS 208, drawings 78051292 and 293 or their equivalent.#2  r5 2.9.2.2 2 A size 11EE shoe, specified in FMVSS 208, drawings 78501294 (left) and 78501295 (right) or their equivalent, will be placed on each foot of the test dummies."#2 Paragraph 3, amend to read: ".... Apply a 9 to 18 N tension load to the lap belt...."#% {,)) Annex 7,  Paragraph 1.3.4., amend to read:  r5  "1.3.4.2 2 The angle between the longitudinal axis of the vehicle and the direction of motion of the trolley shall be 0$2$."#2 Paragraph 1.6., correct the value of "1ms" to read "1m/s". Paragraph 1.7. (French only), correct the word "butoir" to read "barri/re". Annex 8, Paragraph 5.2.2., amend to read:  r5 "5.2.2.2 2 Amplitude resolution#2 K2 2 The size of digital words should be at least 7bits and a parity bit."#2 Insert a new Annex 9, to read: 1"Annex 9 5 %TDEFINITION OF DEFORMABLE BARRIER 5 + X2 BAD "h%'X BAD "h%'  r5 1. COMPONENT AND MATERIAL SPECIFICATIONS#  The dimensions of the barrier are illustrated in Figure 1 of this annex. The dimensions of the individual components of the barrier are listed separately below.#  r5 1.1. Main honeycomb block#  r5   Dimensions #XBB*All dimensions should allow a tolerance of 2,5mm#B  r5  Height: #XBB*650mm (in direction of honeycomb ribbon axis)#B  r5x  Width: #XBB*1000 mm#B  r5@  Depth: #XBB*450 mm (in direction of honeycomb cell axes)#B  r5  Material: #XBB*Aluminium 3003 (ISO 209, part 1)#B  r5  Foil Thickness:9BB*0.076 mm#B  r5!  Cell Size: #XBB*19.14 mm#B  r5`"  Density: #XBB*28.6 kg/m3#B  r5(#  Crush Strength:9BB*0.342 MPa +0% 10% 1/#B _________________ 1/ In accordance with the certification procedure described in paragraph 2 of this annex. '{,))  r5 1.2. Bumper element#  r5  Dimensions #XBB*All dimensions should allow a tolerance of 2,5mm#B  r5   Height: #XBB*330 mm (in direction of honeycomb ribbon axis)#B  r5  Width: #XBB*1000 mm#B  r5  Depth: #XBB*90 mm (in direction of honeycomb cell axes)#B  r5x  Material: #XBB*Aluminium 3003 (ISO 209, part 1)#B  r5@  Foil Thickness:9BB*0.076 mm#B  r5  Cell size: #XBB*6.4 mm#B  r5  Density: #XBB*82.6 kg/m3#B  r5  Crush Strength:9BB*1.711 MPa +0% 10% 1/#B  r5( 1.3. Backing sheet#  Dimensions#  r5  Height: #XBB*800 mm  2,5 mm#B  r5H  Width: #XBB*1000 mm  2,5 mm#B  r5  Thickness: #XBB*2.0 mm  0.1 mm#B  r5 1.4. Cladding sheet#  Dimensions#  r5  Length: #XBB*1700 mm  2,5 mm#B  r5  Width: #XBB*1000 mm  2,5 mm#B  r5  Thickness: #XBB*0.81  0.07 mm#B  r5P  Material: #XBB*Aluminium 5251/5052 (ISO 209, part 1)#B  r5 1.5. Bumper facing sheet#  Dimensions#  r58  Height: #XBB*330 mm  2,5 mm#B  r5  Width: #XBB*1000 mm  2,5 mm#B  r5  Thickness: #XBB*0.81 mm  0.07 mm#B  r5  Material: #XBB*Aluminium 5251/5052 (ISO 209, part 1)#B  Adhesive#  The adhesive to be used throughout should be a twopart polyurethane (such as CibaGeigy XB5090/1 resin with XB5304 hardener, or equivalent).#  r5 2. ALUMINIUM HONEYCOMB CERTIFICATION#  A complete testing procedure for certification of aluminium honeycomb is given in NHTSA TP214D. The following is a summary of the procedure that should be applied to materials for the frontal impact barrier, these materials having a crush strength of 0.342 MPa and 1.711MPa respectively.# _________________ 1/ In accordance with the certification procedure described in paragraph 2 of this annex.({,))Ԍ r5 2.1. Sample locations#  To ensure uniformity of crush strength across the whole of the barrier face, eight samples shall be taken from four locations evenly spaced across the honeycomb block. For a block to pass certification, seven of these eight samples shall meet the crush strength requirements of the following sections.#  The location of the samples depends on the size of the honeycomb block. First, four samples, each measuring 300mm x 300mm x 50mm thick shall be cut from the block of barrier face material. Please refer to Figure2 for an illustration of how to locate these sections within the honeycomb block. Each of these larger samples shall be cut into samples for certification testing (150mm x 150mm x 50mm). Certification shall be based on the testing of two samples from each of these four locations. The other two should be made available to the applicant, upon request.#  r5 2.2. Sample size#  Samples of the following size shall be used for testing:#  r50  Length: #150 mm  6 mm#  r5  Width: #150 mm  6 mm#  r5  Thickness: # 50 mm  2 mm#  The walls of incomplete cells around the edge of the sample shall be trimmed as follows:#  In the "W" direction, the fringes shall be no greater than 1.8mm (see Figure 3).#  In the "L" direction, half the length of one bonded cell wall (in the ribbon direction) shall be left at either end of the specimen (see Figure 3).#  r5  2.3. Area measurement#  The length of the sample shall be measured in three locations, 12.7mm from each end and in the middle, and recorded as L1, L2 and L3 (Figure 3). In the same manner, the width shall be measured and recorded as W1, W2 and W3 (Figure 3). These measurements shall be taken on the centreline of the thickness. The crush area shall then be calculated as:#  r5`" " '&ddddddd _dd t BA ~ = ~ { (L1+L2+L3) } OVER { 3 } ~ x ~ { (W1+W2+W3) } OVER { 3 } (A(L1@L2lL34)r.3x(5W1aW2)  W3U ).3$++##`"++##!+#$2.4. Crush rate and distance#  The sample shall be crushed at a rate of not less than 5.1mm/min and not more than 7.6mm/min. The minimum crush distance shall be 16.5mm.# 0({,))+&#)0Ԍ r5 2.5. Data collection#  Force versus deflection data are to be collected in either analog or digital form for each sample tested. If analog data are collected then a means of converting this to digital shall be available. All digital data shall be collected at a rate of not less than 5Hz (5points per second).#  r5@ 2.6. Crush strength determination#  Ignore all data prior to 6.4mm of crush and after 16.5mm of crush. Divide the remaining data into three sections or displacement intervals (n = 1, 2, 3) (see Figure 4) as follows:#  (1) 06.4 mm 09.7 mm inclusive,#  (2) 09.7 mm 13.2 mm exclusive,#  (3) 13.2 mm 16.5 mm inclusive.#  Find the average for each section as follows:# 9" 'mddddddd_dd |t NF(n) ~ = ~ { (F(n)1+F(n)2+...+F(n)m) } OVER { m } ; ~ ~ ~ m ~ = ~ 1, ~ 2, ~ 3F(nG) (3F(n_)1'F(Sn)2.G.. s F (; n ) mg ).m ; m z1,2,39$++##++##!+#$ where m represents the number of data points measured in each of the three intervals. Calculate the crush strength of each section as follows:#  r5 " 'addddddd _dd tu :S(n) ~ = ~ { F(n) } OVER { A } ; ~ ~ ~ n ~ = ~ 1, ~ 2, ~ 3S(nG)F3(n)e.At;na1r,2,0 3u$++##++##!+#$2.7. Sample crush strength specification#  For a honeycomb sample to pass this certification, the following conditions shall be met:#  0.308 MPa  S(n)  0.342 MPa for 0.342 MPa material#  1.540 MPa  S(n)  1.711 MPa for 1.711 MPa material#  n = 1, 2, 3.#  r58 2.8. Block crush strength specification#  Eight samples are to be tested from four locations, evenly spaced across the block. For a block to pass certification, seven of the eight samples shall meet the crush strength specification of the previous section.#  r5# 3. ADHESIVE BONDING PROCEDURE#  r5@% 3.1. Immediately before bonding, aluminium sheet surfaces to be bonded shall be thoroughly cleaned using a suitable solvent, such as#  111 Trichloroethane. This is to be carried out at least twice or as required to eliminate grease or dirt deposits. The cleaned surfaces shall then be abraded using 120 grit abrasive paper. @`({,))!+m#+a#@ Metallic/Silicon Carbide abrasive paper is not to be used. The surfaces shall be thoroughly abraded and the abrasive paper changed regularly during the process to avoid clogging, which may lead to a polishing effect. Following abrading, the surfaces shall be thoroughly cleaned again, as above. In total, the surfaces shall be solvent cleaned at least four times. All dust and deposits left as a result of the abrading process shall be removed, as these will adversely affect bonding.#  r5 3.2. The adhesive should be applied to one surface only, using a ribbed rubber roller. In cases where honeycomb is to be bonded to aluminium sheet, the adhesive should be applied to the aluminium sheet only. Amaximum of 0.5kg/m2 shall be applied evenly over the surface, giving a maximum film thickness of 0.5mm.#  r5 4. CONSTRUCTION#  r5H 4.1. The main honeycomb block shall be bonded to the backing sheet with adhesive such that the cell axes are perpendicular to the sheet. The cladding shall be bonded to the front surface of the honeycomb block. The top and bottom surfaces of the cladding sheet shall not be bonded to the main honeycomb block but should be positioned closely to it. The cladding sheet shall be adhesively bonded to the backing sheet at the mounting flanges.#  r5 4.2. The bumper element shall be adhesively bonded to the front of the cladding sheet such that the cell axes are perpendicular to the sheet. The bottom of the bumper element shall be flush with the bottom surface of the cladding sheet. The bumper facing sheet shall be adhesively bonded to the front of the bumper element.#  r58 4.3. The bumper element shall then be divided into three equal sections by means of two horizontal slots. These slots shall be cut through the entire depth of the bumper section and extend the whole width of the bumper. The slots shall be cut using a saw; their width shall be the width of the blade used and shall not exceed 4.0mm.#  r5 4.4. Clearance holes for mounting the barrier are to be drilled in the mounting flanges (shown in Figure 5). The holes shall be of 9.5mm diameter. Five holes shall be drilled in the top flange at a distance of 40mm from the top edge of the flange and five in the bottom flange, 40mm from the bottom edge of that flange. The holes shall be at 100mm, 300mm, 500mm, 700mm, 900mm from either edge of the barrier. All holes shall be drilled to 1mm of the nominal distances.#  r5# 5. MOUNTING#  r5% 5.1. The deformable barrier shall be rigidly fixed to the edge of a mass of not less than 7 x 104 kg or to some structure attached thereto. The attachment of the barrier face shall be such that the vehicle shall not contact any part of the structure more than 75 mm from the top surface of the barrier (excluding the upper flange) during any({,)) stage of the impact X01Í ÍX01Í/ Í/+o8 r57 ԍ4 A mass, the end of which is between 925mm and 1,000mm high and at least 1,000mm deep, is considered to satisfy this requirement.. The front face of the surface to which the deformable barrier is attached shall be flat and continuous over the height and width of the face and shall be vertical 1$ and perpendicular 1$ to the axis of the runup track. The attachment surface shall not be displaced by more than 10 mm during the test. If necessary, additional anchorage or arresting devices shall be used to prevent displacement of the concrete block. The edge of the deformable barrier shall be aligned with the edge of the concrete block appropriate for the side of the vehicle to be tested.#  r5 5.2. The deformable barrier shall be fixed to the concrete block by means of ten bolts, five in the top mounting flange and five in the bottom. These bolts shall be of at least 8mm diameter. Steel clamping strips shall be used for both the top and bottom mounting flanges (see Figures 1 and 5). These strips shall be 60mm high and 1000mm wide and have a thickness of at least 3mm. Five clearance holes of 9.5mm diameter shall be drilled in both strips to correspond with those in the mounting flange on the barrier (see paragraph 4). None of the fixtures shall fail in the impact test.# {,)) 1Figure 1ă Deformable barrier for frontal impact testing  figure 1 offset {,)) 1Figure 2ă ( "Locations of samples for certification  figure 2 offset{,)) 1Figure 3ă "Honeycomb axes and measured dimensions  figure 3 offset{,)) 1Figure 4ă 'Crush force and displacement  figure 4 offset 1Figure 5ă "Positions of holes for barrier mounting  figure 5 offset{,)) Insert a new Annex 10, to read: 1"Annex 10 5 +  CERTIFICATION PROCEDURE FOR THE DUMMY LOWER LEG AND FOOT 5 +  r5 1. TIBIA IMPACT TEST#  r5@ 1.1. The objective of this test is to measure the response of HybridIII tibia skin and insert to welldefined, hardfaced pendulum impacts.#  r5 1.2. Left and right Hybrid III leg assemblies, from the knee clevis joint down, shall be used. Each shall be attached rigidly to the test fixture.#  r5 1.3. Test procedure#  r5H 1.3.1. Each leg assembly shall be maintained (soaked) for 4 hours prior to the test at a temperature of 22  3$C and a relative humidity of 4030percent. The soak period shall not include the time required to reach steady state conditions.#  r50 1.3.2. Align the impactor accelerometer with its sensitive axis parallel to the impactor longitudinal centre line.#  r5 1.3.3. Clean the impact surface of the skin and also the impactor face with isopropyl alcohol or equivalent prior to the test.#  r5 1.3.4. Mount the leg assembly to the fixture at the knee clevis joint, as shown in Figure 1. The text fixture shall be rigidly secured to prevent movement during impact. The test fixture shall be constructed such that there is no contact with any part of the leg assembly, other than at the fixing point, during the test. The line between the knee clevis joint and the centre of the ankle joint shall be vertical 5$. Adjust the knee and ankle joint to 1,50,5g range before each test.#  r5 1.3.5. The rigid impactor shall have a mass of 5,0  0,2 kg including instrumentation. The impact face shall be a half cylinder with its principal axis horizontal 1$ and perpendicular to the direction of impact. The radius of the impact surface shall be 40  2 mm and the width of the impact surface shall be at least 80 mm. The impactor shall strike the tibia at a point midway between the knee clevis joint and the ankle pivot along the centre line of the tibia. The impactor shall strike the tibia so that the horizontal centre line of the impactor falls within 0,5$ of a horizontal line parallel to the femur load cell simulator at timezero. The impactor shall be guided to exclude significant lateral, vertical or rotational movement at timezero.#  r5' 1.3.6. Allow a period of at least 30 minutes between successive tests on the same leg.# ({,))Ԍ r5 1.3.7. The data acquisition system, including transducers, shall conform to the specifications for CFC 600, as described in annex 8.#  r5X 1.4. Performance specification#  r5 1.4.1. When each tibia is impacted at 2.1  0,3 m/s in accordance with paragraph 1.3., the impact force, which is the product of the pendulum mass and the deceleration, shall be 2.3  0,3 kN.#  r5 2. UPPER FOOT IMPACT TEST#  r5 2.1. The objective of this test is to measure the response of the HybridIII foot and ankle to welldefined, hardfaced pendulum impacts.#  r5 2.2. The complete Hybrid III lower leg assembly, left (865001001) and right (865001002), equipped with the foot and ankle assembly, left (78051614) and right (78051615), shall be used, including the knee assembly. The load cell simulator (78051319 Rev A) shall be used to secure the kneecap assembly (7805116 Rev B) to the test fixture.#  r5h 2.3. Test procedure#  r5 2.3.1. Each leg assembly shall be maintained (soaked) for 4 hours prior to the test at a temperature of 22  3$C and a relative humidity of 4030per cent. The soak period shall not include the time required to reach steady state conditions.#  r5 2.3.2. (a) Clean the impact surface of the skin and also the impactor face with isopropyl alcohol or equivalent prior to the test.#  r58  (b) Align the impactor accelerometer with its sensitive axis parallel to the direction of impact at contact with the foot.#  r5 2.3.3. Mount the leg assembly to the fixture shown in Figure 1a. The test fixture shall be secured rigidly to prevent movement during the impact test. The centre line of the femur load cell simulator (78051319) shall be vertical  0,5$. Adjust the mount such that the line joining the knee clevis joint and the ankle attachment bolt is horizontal  3$ with the heel resting on two sheets of lowfriction (PTFE) material. Ensure that the tibia flesh is located towards the knee end of the tibia. Adjust the ankle such that the plane of the underside of the foot is vertical  3$. Adjust the knee and ankle joint to 1,5  0,5 g range before each test.#  r5(# 2.3.4. The rigid impactor comprises a horizontal cylinder diameter 502mm and a pendulum support arm diameter 19  1 mm (Figure 3a). The cylinder has a mass of 1,25  0,02 kg including instrumentation and any part of the support arm within the cylinder. The pendulum arm has a mass of 285  5 g. The mass of any rotating part of the axle to which the support arm is attached should not be greater than 100g. The length between the central horizontal axis of the impactor cylinder and the axis of rotation of the whole pendulum({,)) shall be 12501mm. The impact cylinder is mounted with its longitudinal axis horizontal and perpendicular to the direction of impact. The pendulum shall impact the underside of the foot, at a distance of 1852mm from the base of the heel resting on the rigid horizontal platform, so that the longitudinal centre line of the pendulum arm falls within 1$ of a vertical line at impact. The impactor shall be guided to exclude significant lateral, vertical or rotational movement at timezero.#  r5 2.3.5. Allow a period of at least 30 minutes between successive tests on the same leg.#  r5` 2.3.6. The data acquisition system, including transducers, shall conform to the specifications for CFC 600, as described in annex 8.#  r5 2.4. Performance specifications#  r5H 2.4.1. When the ball of each foot is impacted at 6,7  0,2 m/s in accordance with paragraph 2.3., the maximum tibia bending moment about the#  yaxis (My) shall be between 100 Nm and 140 Nm.#  r5h 3. LOWER FOOT IMPACT TEST#  r5 3.1. The objective of this test is to measure the response of the HybridIII foot skin and insert to welldefined, hardfaced pendulum impacts.#  r5 3.2. The complete Hybrid III lower leg assembly, left (865001001) and right (865001002), equipped with the foot and ankle assembly, left (78051614) and right (78051615), shall be used, including the knee assembly. The load cell simulator (78051319 Rev A) shall be used to secure the kneecap assembly (7805116 Rev B) to the test fixture.#  r5 3.3. Test procedure#  r5X 3.3.1. Each leg assembly shall be maintained (soaked) for 4 hours prior to the test at a temperature of 223$C and a relative humidity of 4030per cent. The soak period shall not include the time required to reach steady state conditions.#  r5@ 3.3.2. Align the impactor accelerometer with its sensitive axis parallel to the impactor longitudinal centre line.#  r5! 3.3.3. Clean the impact surface of the skin and also the impactor face with isopropyl alcohol or equivalent prior to the test.#  r5# 3.3.4. Mount the leg assembly to the fixture shown in Figure 1b. The test fixture shall be secured rigidly to prevent movement during the impact test. The centre line of the femur load cell simulator (78051319) shall be vertical  0,5$. Adjust the mount such that the line joining the knee clevis joint and the ankle attachment bolt is horizontal  3$ with the heel resting on two sheets of lowfriction (PTFE) material. Ensure that the tibia flesh is located towards the({,)) knee end of the tibia. Adjust the ankle such that the plane of the underside of the foot is vertical  3$. Adjust the knee and ankle joint to 1,5  0,5 g range before each test.#  r5  3.3.5. The rigid impactor comprises a horizontal cylinder diameter 502mm and a pendulum support arm diameter 19  1 mm (Figure 3a). The cylinder has a mass of 1,25  0,02 kg including instrumentation and any part of the support arm within the cylinder. The pendulum arm has a mass of 285  5 g. The mass of any rotating part of the axle to which the support arm is attached should not be greater than 100g. The length between the central horizontal axis of the impactor cylinder and the axis of rotation of the whole pendulum shall be 1 250  1 mm. The impact cylinder is mounted with its longitudinal axis horizontal and perpendicular to the direction of impact. The pendulum shall impact the underside of the foot, at a distance of 62  2 mm from the base of the heel resting on the rigid horizontal platform, so that the longitudinal centre line of the pendulum arm falls within 1$ of a vertical line at impact. The impactor shall be guided to exclude significant lateral, vertical or rotational movement at timezero.#  r5h 3.3.6. Allow a period of at least 30 minutes between successive tests on the same leg.#  r5 3.3.7. The data acquisition system, including transducers, shall conform to the specifications for CFC 600, as described in annex 8.#  r5 3.4. Performance specification#  r5 3.4.1. When the heel of each foot is impacted at 4,4  0,2 m/s in accordance with paragraph 3.3., the maximum impactor acceleration shall be 34050g.# 8{,)) 1Figure 1ă Tibia impact test test setup specifications  figure 1 offset {,)) 1Figure 1aă Upper foot impact test test setup specifications  figure 1a offset{,)) 1Figure 1bă Lower foot impact test test setup specifications  figure 1b offset{,)) 1Figure 2ă Upper foot impact test test setup specifications  figure 2 offset{,)) 1Figure 3ă Lower foot impact test test setup specifications  figure 3 offset  {,)) 1Figure 3aă B-Pendulum impactor  figure 3a offset